CVE-2026-0619
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Integer Wraparound Causes DoS Infinite Loop in Silicon Labs Matter SDK

Vulnerability report for CVE-2026-0619, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-02-12

Last updated on: 2026-02-13

Assigner: Silicon Graphics (SGI)

Description

A reachable infinite loop via an integer wraparound is present in Silicon Labs' Matter SDK which allows an attacker to trigger a denial of service. A hard reset is required to recover the device.

CVSS Scores

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Meta Information

Published
2026-02-12
Last Modified
2026-02-13
Generated
2026-07-06
AI Q&A
2026-02-12
EPSS Evaluated
2026-07-05
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
silicon_labs matter_sdk *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-190 The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
CWE-835 The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

Attack-Flow Graph

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Executive Summary

This vulnerability is an infinite loop caused by an integer wraparound in Silicon Labs' Matter SDK. An attacker can exploit this flaw to cause the device to enter a state where it continuously loops without progressing, effectively making the device unresponsive.

Recovering from this state requires a hard reset of the device.

Impact Analysis

The primary impact of this vulnerability is a denial of service (DoS) condition. An attacker can trigger the infinite loop, causing the device to become unresponsive and unusable until it is manually reset.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

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